4249631 has 4 divisors (see below), whose sum is σ = 4396200. Its totient is φ = 4103064.

The previous prime is 4249627. The next prime is 4249633. The reversal of 4249631 is 1369424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4249631 - 2² = 4249627 is a prime.

It is a super-2 number, since 2×4249631² = 36118727272322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 146539 = 4249631 / (4 + 2 + 4 + 9 + 6 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4249594 and 4249603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73241 + ... + 73298.

It is an arithmetic number, because the mean of its divisors is an integer number (1099050).

Almost surely, 2^4249631 is an apocalyptic number.

4249631 is a deficient number, since it is larger than the sum of its proper divisors (146569).

4249631 is a wasteful number, since it uses less digits than its factorization.

4249631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146568.

The product of its digits is 5184, while the sum is 29.

The square root of 4249631 is about 2061.4633152205. The cubic root of 4249631 is about 161.9759020194.

The spelling of 4249631 in words is "four million, two hundred forty-nine thousand, six hundred thirty-one".